A security guard subdued Corkins in the lobby of the Family Research Council in August after he pointed a pistol at the man. Corkins fired three shots, and the guard was the only one wounded. Corkins, who was carrying nearly 100 rounds of ammunition and 15 Chick-fil-A sandwiches, later told authorities that he had planned to kill as many people as possible and then to smear the sandwiches on their faces as a political statement....